The growth marks a meteoric rise for the
emerging technology which, at the end of 2003, had a base of almost
zero. Some 400,000 households will use VoIP by the end of this year.
Usage is forecast to balloon to 12.1 million by 2009.
VoIP To Hit 12.1 Million US Households By 2009 Clickz Oct 7 2004

How many residential VoIP 911 Calls can we expect in the
coming years? Based on projections using data available today, Intrado
estimates that by 2006 VoIP will account for less than two percent of
all residential 9-1-1 calls, as shown in the table below.

VoIP Cable Service Poised for Strong
Year in 2005, Comm Daily Dec. 10, 2004 (citing Kagan Report "The VoIP
subscriber base grew to 228,000 in the 3rd quarter, up from 141,8000 in
the 2nd quarter and 1,000 at the end of last year...")